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High-purity gamma-alumina powder surface modification method and high-purity gamma-alumina powder
The invention relates to the technical field of alumina powder preparation, and discloses a high-purity gamma-alumina powder surface modification method and high-purity gamma-alumina powder.The high-purity alumina powder is subjected to surface modification by introducing crystalline gamma-alumina, so that the surface-modified high-purity alumina powder is easy to disperse and mold, and the surface modification effect is good. And moreover, relatively high sintering activity is maintained, and grain boundaries are prevented from capturing pores, so that the high-purity, compact and high-strength aluminum oxide ceramic is conveniently obtained.
本发明涉及氧化铝粉体制备技术领域，公开了一种高纯γ‑氧化铝粉体表面改性方法及高纯γ‑氧化铝粉体，通过引入结晶态的γ‑氧化铝对高纯氧化铝粉体进行表面改性，使得表面改性后的高纯氧化铝粉体易分散、易成型，且保持较高的烧结活性，又避免晶界捕获气孔，从而便于获得高纯、致密、高强的氧化铝陶瓷。
High-purity gamma-alumina powder surface modification method and high-purity gamma-alumina powder
The invention relates to the technical field of alumina powder preparation, and discloses a high-purity gamma-alumina powder surface modification method and high-purity gamma-alumina powder.The high-purity alumina powder is subjected to surface modification by introducing crystalline gamma-alumina, so that the surface-modified high-purity alumina powder is easy to disperse and mold, and the surface modification effect is good. And moreover, relatively high sintering activity is maintained, and grain boundaries are prevented from capturing pores, so that the high-purity, compact and high-strength aluminum oxide ceramic is conveniently obtained.
本发明涉及氧化铝粉体制备技术领域，公开了一种高纯γ‑氧化铝粉体表面改性方法及高纯γ‑氧化铝粉体，通过引入结晶态的γ‑氧化铝对高纯氧化铝粉体进行表面改性，使得表面改性后的高纯氧化铝粉体易分散、易成型，且保持较高的烧结活性，又避免晶界捕获气孔，从而便于获得高纯、致密、高强的氧化铝陶瓷。
High-purity gamma-alumina powder surface modification method and high-purity gamma-alumina powder
高纯γ-氧化铝粉体表面改性方法及高纯γ-氧化铝粉体
DING GUOQIANG (Autor:in) / PENG CHAOYANG (Autor:in) / LI JINZHANG (Autor:in) / LIU FENG (Autor:in)
26.03.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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